video1.0<iframe src="https://www.loom.com/embed/cd9e874a82c346eea0c1f8d0efa3b092" frameborder="0" width="960" height="720" webkitallowfullscreen mozallowfullscreen allowfullscreen></iframe>720960Loomhttps://www.loom.com720960https://cdn.loom.com/sessions/thumbnails/cd9e874a82c346eea0c1f8d0efa3b092-00001.jpg82p: The sum of -2x^2 + x + 31 and 3x^2 + 7x - 8 can be written in the form ax^2 +bx + c, where a, b, and c are constants. What is the value of a + b + c? a: ; ; ; ;